code: def test_2_get_tables(self):
      tables = self.handler.get_tables()
      assert tables.type is not RESPONSE_TYPE.ERROR
  
file_path: mindsdb/mindsdb/integrations/handlers/gmail_handler/tests/test_gmail_handler.py
imports: from mindsdb.integrations.handlers.gmail_handler.gmail_handler import GmailHandler
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
  import unittest
label_desc: Use image node_id 4 for calling the EmailsTableTest obj's underlying member method code with example usage: obj.test_2_get_tables() without return types